Made in USSR. Military equipment.Cylindrical variometer (Variable Inductance HAM Radio) for the high-stability self-excited oscillators. The device has very exact and stable parameters. Due to such reliability such variometers are applied in military radio equipment.It is possible to apply this coil in the amplifier or the device of adjustment of the aerial to any ranges HAM radio.
DESCRIPTION:
Number of turns L1 + L2: 10 + 10
Number of turns L3 + L4: 10.5 + 10.5
Length of coils L1 + L2: (28 + 28) mm
Length of coils L3 + L4: (27 + 27) mm
Diameter of coils - middle L1 + L2: ~ 100 mm
Diameter of coils - middle L3 + L4: ~ 76 mm
Silver plated, oxidized copper wire diameter: ~ 2 mm
Inductance L1 + L2: (13 +13) µH
Inductance L3 + L4: (13 +13) µH
The maximal sizes of variometer:
- length ~ 184 mm (~ 7.24 inc)
- width ~ 27 mm (~ 1.06 inc)
- high ~ 150 mm (~ 5.9 inc)
Weight: 1 615 g.
The
coil is wound with copper wire, painted with black paint.
Please allow for the following shipping times:
EU countries: 5-8 business days, on rare occasions a few days more
USA: 10-15 business days, on rare occasions more
South East Asia (Japan, Singapore, S. Korea, Hong Kong, Taiwan etc) 10 business days, on rare occasions more
India, China, Russia, Kazakhstan, Pakistan, Indonesia, Malaysia, Thailand, Australia, South Africa etc: at least 15 business days, but frequently around 25 business days
Please note that shipping cost is calculated at average. If you have any objections please contact me for a specific quotation.
I can combine shipments to save you money! Please look at my other listings!